Awards & Certificates
THE NATIONAL BOARD OF BOILER & PRESSURE VESSEL INSPECTORS (Register NB)

Certificate of Authorization to Register NB

This is to certify that


L.D.S. METAL WORK CO., LTD
55/4 Moo 2 Soi Watrathburana (Watbangpla), Theparak Rd.,
KM. 17, Bangpla,
Bangplee, Samutprakarn 10540
Thailand

is authorized to apply the "NB" mark and register boilers, pressure vessels or other pressure retaining items with the National Board.

The scope of Authorization is limited to items manufactured in accordance with:

ASME Designator(s): S, U
Issue Date: April 7, 2017



This Certificate of Authorization to Register will remain in effect as long as the manufacturing organization holds a valid Certificate of Authorization issued by the American Society of Mechanical Engineers.

Subject: National Board 'NB' Certificate of Authorization to Register
Type of Issuance: New

Dear Wisit Tangsuphasiri:

Enclosed is your company's National Board 'NB' Certificate of Authorization to register boilers, pressure vessels and other pressure retaining items manufactured in accordance with the ASME Code.

This 'NB' Certificate of Authorization to Register will remain in effect as long as your company holds a valid Certificate of Authorization issued by the American Society of Mechanical Engineers.

Also enclosed, you will find a copy of your Authorization to Register Agreement. Please retain this agreement for future reference. Please note that by signing the Agreement you agreed to notify the National Board regarding changes in company name, physical addresses or changes in ASME designator(s) by submitting a new online application. Changes in mailing addresses or personnel contact information should be submitted by sending an email.

If you have any questions or need assistance, please feel free to contact me.



GENERAL INSTRUCTIONS FOR REGISTRATION

Your company's National Board Certificate of Authorization to Register is valid only while operating under the company name and location listed on the certificate. In the event the company name and/or location should change, please notify the National Board Authorization Department immediately.

Pressure retaining items registered with the National Board must be constructed in accordance with the code of construction listed on the ASME certificate only. Inspections must be performed by an Authorized Inspector holding a valid National Board Commission with the applicable endorsement(s).

National Board numbers must be issued consecutively by your company without skips or gaps of unused numbers. Do not duplicate National Board numbers or use alphabetical or numerical prefixes/suffixes in conjunction with the National Board number.

If the type of issuance specified at the top of the enclosed cover letter is "NEW", your company's series of National Board numbers shall start with number "1". If this is a "RENEWAL" issuance, your company's series of National Board numbers shall continue using the next available number.

National Board numbers and the National Board marking may be affixed only to pressure retaining items which are to be registered with the National Board. If the item is not registered with the National Board, the National Board marking shall not appear on the item. Improper or unauthorized use of the National Board marking is a violation of the National Board trademark.

Data reports must be filed on National Board accepted forms or by using the National Board's Electronic Data Transfer (EDT) system. The first line of the data report must show your company's name as authorized on the certificate. The original data report must be submitted to the National Board within 30 days after completion.

Items built for stock must be so noted on the data report and registered with the National Board.

If you have any questions, please contact the National Board Authorization Department by authdept@nationalboard.org.